Heap-based buffer overflow in qemu (Alpine package)
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2017-5931 |
| CWE-ID | CWE-122 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
qemu (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Heap-based buffer overflow
EUVDB-ID: #VU32092
Risk: High
CVSSv3.1: 7.7 [AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-5931
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Integer overflow in hw/virtio/virtio-crypto.c in QEMU (aka Quick Emulator). A remote attacker can use a crafted virtio-crypto request to trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsqemu (Alpine package): 2.8.0-r1 - 2.8.1-r0
External linkshttp://git.alpinelinux.org/aports/commit/?id=64053e93d1b2192473cc16b8719d43e6b1c036a6
http://git.alpinelinux.org/aports/commit/?id=49c55179349e43e2151cb8d043c9d063362116f9
http://git.alpinelinux.org/aports/commit/?id=95bc43da6b1937b995aa1c06eef35127556a33ed
http://git.alpinelinux.org/aports/commit/?id=4fd42213196834bf5e7a33f83e9e6775606a9aba
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
